[Kimchi-devel] [PATCH 1/2] Implement function to discover which bridge name is available

Signed-off-by: Ramon Medeiros <ramonn(a)linux.vnet.ibm.com&gt; --- src/kimchi/model/networks.py | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/src/kimchi/model/networks.py b/src/kimchi/model/networks.py index 7265c64..dd8e66c 100644 --- a/src/kimchi/model/networks.py +++ b/src/kimchi/model/networks.py @@ -17,6 +17,8 @@ # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +import os +import re import sys import time @@ -81,6 +83,24 @@ class NetworksModel(object): "because of %s, exit kimchid", e.message) sys.exit(1) + def _find_bridge_available(self, sufix): + # get all bridges + bridges = os.popen("brctl show | awk '{print $1}'").readlines() + bridges.remove("bridge\n") + + # no bridge found: it number 0 + bridgeName = sufix + str(0) + + # iterate over all bridges to verify the correct number + for bridge in bridges: + + # search for bridges with sufix: use next number + if bridge.startswith(sufix): + name, number = re.match(r"([a-z]*)([0-9]*)", bridge).groups() + bridgeName = sufix + str(int(number) + 1) + + return bridgeName + def create(self, params): conn = self.conn.get() name = params['name'] -- 1.8.3.1